<!DOCTYPE html>
<html lang="en">
  <head>
    <meta charset="UTF-8" />
    <meta http-equiv="X-UA-Compatible" content="IE=edge" />
    <meta name="viewport" content="width=device-width, initial-scale=1.0" />
    <title>Document</title>
  </head>
  <body>
    <script>
      // const arr = ['name', 'age', 'hhh', 'hhh', 'age', 'hhh', 'hhh', 'hhh']

      function getCount(arr) {
        let obj = {}
        for (let i = 0; i < arr.length; i++) {
          if (!obj[arr[i]]) {
            obj[arr[i]] = 1
          } else {
            obj[arr[i]]++
          }
        }
        return obj
      }
      // getCount()
      console.log(
        getCount(['name', 'age', 'hhh', 'hhh', 'age', 'hhh', 'hhh', 'hhh'])
      )
    </script>
  </body>
</html>
